<? 
class smtp 
{ 
	var $smtp_port; 
	var $time_out; 
	var $host_name; 
	var $log_file; 
	var $relay_host; 
	var $debug; 
	var $auth; 
	var $user; 
	var $pass; 

	var $sock; 

	/* Constractor */ 
	function smtpset($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
	{ 
		$this->debug = FALSE; 
		$this->smtp_port = $smtp_port; 
		$this->relay_host = $relay_host; 
		$this->time_out = 30; //is used in fsockopen() 

		$this->auth = $auth;//auth 
		$this->user = $user; 
		$this->pass = $pass; 

		$this->host_name = "localhost"; //is used in HELO command 
		$this->log_file =""; 

		$this->sock = FALSE; 
	} 

	/* Main Function */ 
	function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "") 
	{ 
		$from = iconv("UTF-8", "GB2312",$from);
		$subject = iconv("UTF-8", "GB2312",$subject);
		$body = iconv("UTF-8", "GBK",$body);
		//---------tony--增加转化编码
		$mail_from = $this->get_address($this->strip_comment($from)); 
		$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body); 
		$header = '';
		$header .= "MIME-Version:1.0\r\n";
		if($mailtype=="html"){ 
			$header .= "Content-Type:text/html; charset=gb2312\r\n"; 
		}
		$header .= "To: ".$to."\r\n";
		if ($cc != "") {
			$header .= "Cc: ".$cc."\r\n";
		} 
		$header .= "From: $from<".$from.">\r\n"; 
		$header .= "Subject: ".$subject."\r\n"; 
		$header .= $additional_headers; 
		$header .= "Date: ".date("r")."\r\n"; 
		$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n"; 
		list($msec, $sec) = explode(" ", microtime()); 
		$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n"; 
		$TO = explode(",", $this->strip_comment($to)); 

		if ($cc != "") { 
			$TO = array_merge($TO, explode(",", $this->strip_comment($cc))); 
		} 

		if ($bcc != "") { 
			$TO = array_merge($TO, explode(",", $this->strip_comment($bcc))); 
		} 

		$sent = TRUE; 
		foreach ($TO as $rcpt_to) { 
			$rcpt_to = $this->get_address($rcpt_to); 
			if (!$this->smtp_sockopen($rcpt_to)) { 
				$this->log_write("Error: Cannot send email to ".$rcpt_to."\n"); 
				$sent = FALSE; 
				continue; 
			} 
			if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) { 
				$this->log_write("E-mail has been sent to <".$rcpt_to.">\n"); 
			} else { 
				$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n"); 
				$sent = FALSE; 
			} 
			fclose($this->sock); 
			$this->log_write("Disconnected from remote host\n"); 
		} 
		//echo "<br>"; 
		//echo $header; 
		return $sent; 
	} 

	/* Private Functions */ 

	function smtp_send($helo, $from, $to, $header, $body = "") 
	{ 
		if (!$this->smtp_putcmd("HELO", $helo)) { 
			return $this->smtp_error("sending HELO command"); 
		} 
		#auth 
		if($this->auth){ 
			if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) { 
				return $this->smtp_error("sending HELO command"); 
			} 

			if (!$this->smtp_putcmd("", base64_encode($this->pass))) { 
				return $this->smtp_error("sending HELO command"); 
			} 
		} 
		# 
		if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) { 
			return $this->smtp_error("sending MAIL FROM command"); 
		} 

		if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) { 
			return $this->smtp_error("sending RCPT TO command"); 
		} 

		if (!$this->smtp_putcmd("DATA")) { 
			return $this->smtp_error("sending DATA command"); 
		} 

		if (!$this->smtp_message($header, $body)) { 
			return $this->smtp_error("sending message"); 
		} 

		if (!$this->smtp_eom()) { 
			return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]"); 
		} 

		if (!$this->smtp_putcmd("QUIT")) { 
			return $this->smtp_error("sending QUIT command"); 
		} 
		return TRUE; 
	} 

	function smtp_sockopen($address) 
	{ 
		if ($this->relay_host == "") { 
			return $this->smtp_sockopen_mx($address); 
		} else { 
			return $this->smtp_sockopen_relay(); 
		} 
	} 

	function smtp_sockopen_relay() 
	{ 
		$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n"); 
		$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out); 
		if (!($this->sock && $this->smtp_ok())) { 
			$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n"); 
			$this->log_write("Error: ".$errstr." (".$errno.")\n"); 
			return FALSE; 
		} 
		$this->log_write("Connected to relay host ".$this->relay_host."\n"); 
		return TRUE;; 
	} 

	function smtp_sockopen_mx($address) 
	{ 
		$domain = ereg_replace("^.+@([^@]+)$", "\1", $address); 
		if (!@getmxrr($domain, $MXHOSTS)) { 
			$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n"); 
			return FALSE; 
		} 
		foreach ($MXHOSTS as $host) { 
			$this->log_write("Trying to ".$host.":".$this->smtp_port."\n"); 
			$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out); 
			if (!($this->sock && $this->smtp_ok())) { 
				$this->log_write("Warning: Cannot connect to mx host ".$host."\n"); 
				$this->log_write("Error: ".$errstr." (".$errno.")\n"); 
				continue; 
			} 
			$this->log_write("Connected to mx host ".$host."\n"); 
			return TRUE; 
		} 
		$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n"); 
		return FALSE; 
	} 

	function smtp_message($header, $body) 
	{ 
		fputs($this->sock, $header."\r\n".$body); 
		$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> ")); 

		return TRUE; 
	} 

	function smtp_eom() 
	{ 
		fputs($this->sock, "\r\n.\r\n"); 
		$this->smtp_debug(". [EOM]\n"); 

		return $this->smtp_ok(); 
	} 

	function smtp_ok() 
	{ 
		$response = str_replace("\r\n", "", fgets($this->sock, 512)); 
		$this->smtp_debug($response."\n"); 

		if (!ereg("^[23]", $response)) { 
			fputs($this->sock, "QUIT\r\n"); 
			fgets($this->sock, 512); 
			$this->log_write("Error: Remote host returned \"".$response."\"\n"); 
			return FALSE; 
		} 
		return TRUE; 
	} 

	function smtp_putcmd($cmd, $arg = "") 
	{ 
		if ($arg != "") { 
			if($cmd=="") $cmd = $arg; 
			else $cmd = $cmd." ".$arg; 
		} 

		fputs($this->sock, $cmd."\r\n"); 
		$this->smtp_debug("> ".$cmd."\n"); 

		return $this->smtp_ok(); 
	} 

	function smtp_error($string) 
	{ 
		$this->log_write("Error: Error occurred while ".$string.".\n"); 
		return FALSE; 
	} 

	function log_write($message) 
	{ 
		$this->smtp_debug($message); 

		if ($this->log_file == "") { 
			return TRUE; 
		} 

		$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message; 
		if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) { 
			$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n"); 
			return FALSE; 
		} 
		flock($fp, LOCK_EX); 
		fputs($fp, $message); 
		fclose($fp); 

		return TRUE; 
	} 

	function strip_comment($address) 
	{ 
		$comment = "\([^()]*\)"; 
		while (ereg($comment, $address)) { 
			$address = ereg_replace($comment, "", $address); 
		} 
		return $address; 
	} 

	function get_address($address) 
	{ 
		$address = ereg_replace("([ \t\r\n])+", "", $address); 
		$address = ereg_replace("^.*<(.+)>.*$", "\1", $address); 

		return $address; 
	} 

	function smtp_debug($message) 
	{ 
		if ($this->debug) { 
			echo $message."<br>"; 
		} 
	} 

	function get_attach_type($image_tag) { // 

		$filedata = array(); 

		$img_file_con=fopen($image_tag,"r"); 
		unset($image_data); 
		while ($tem_buffer=AddSlashes(fread($img_file_con,filesize($image_tag)))) 
			$image_data.=$tem_buffer; 
		fclose($img_file_con); 

		$filedata['context'] = $image_data; 
		$filedata['filename']= basename($image_tag); 
		$extension=substr($image_tag,strrpos($image_tag,"."),strlen($image_tag)-strrpos($image_tag,".")); 
		switch($extension){ 
			case ".gif": 
				$filedata['type'] = "image/gif"; 
			break; 
			case ".gz": 
				$filedata['type'] = "application/x-gzip"; 
			break; 
			case ".htm": 
				$filedata['type'] = "text/html"; 
			break; 
			case ".html": 
				$filedata['type'] = "text/html"; 
			break; 
			case ".jpg": 
				$filedata['type'] = "image/jpeg"; 
			break; 
			case ".tar": 
				$filedata['type'] = "application/x-tar"; 
			break; 
			case ".txt": 
				$filedata['type'] = "text/plain"; 
			break; 
			case ".zip": 
				$filedata['type'] = "application/zip"; 
			break; 
			default: 
				$filedata['type'] = "application/octet-stream"; 
			break; 
		} 
		return $filedata; 
	}
} 

/*
$smtpserver = "smtp.163.com";//SMTP服务器 
$smtpserverport = 25;//SMTP服务器端口 
$smtpusermail = "zjj.watt@163.com";//SMTP服务器的用户邮箱 
$smtpuser = "zjj.watt";//SMTP服务器的用户帐号 
$smtppass = "zjj123456";//SMTP服务器的用户密码 

$smtpemailto = "fghfg@163.com,zjj.watt@163.com,zhangjiejun2000@163.com";//发送给谁 
$mailsubject = 'aaab';
$mailbody = 'bbbc';
$mailtype = '';

$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证. 

$smtp->debug = TRUE;//是否显示发送的调试信息 
$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
*/
?>